Portion of a rolling cart



FIG. 1 is a perspective view of the present design;

FIG. 2 is a front view of the present design;

FIG. 3 is a rear view of the present design;

FIG. 4 is a left side view of the present design;

FIG. 5 is a right view of the present design;

FIG. 6 is a top view of the present design; and,

FIG. 7 is a bottom view of the present design.

The broken lines shown in the figures are included for the purpose ofillustrating other portions of the rolling cart and form no part of theclaimed design.

CLAIM The ornamental design for a portion of a rolling cart, as shown and described. 